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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-13 13:01:20 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -19.2435 Longitude: 155.4534 Position from underway logging |
Sample number: | in2019_v04_D12_010 |
Dredge: | D12 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 7 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | red |
Composition: | mafic |
Groundmass: | altered |
Features: | volcanic brecciated |
Alteration: | Mn crust | altered |
Grain size: | sand (<2 mm) | pebble (2-64 mm) |
Grain shape: | mixture |
Sorting: | poor |
Components: | volcanic vesicular |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 22 |
Rock name: | Pervasive altered multilithic pebble breccia |
Comments: | Thin breccia layer under a thick (8cm) Mn-crust. Very altered. |